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Individual Calculations June 2024 |
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| Coffman, Charles Z Total change: 20.80 | |   |
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| 33rd Annual Chicago Open - U2300 | Wheeling, IL | USA | 2024-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1857 | 3.00 | 6 | 1.04 | 20 | 20.80 | |
|  Neal, James | | | 2001 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | |  Eidemiller, Mark | | | 2087 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Colding, Ernest P | | | 1956 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Moerlien, Puwit Sky | | | 1936 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Wen, Yili | | | 2018 | CHN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Joseph, Bennett A | | | 1930 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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